Eaton - Westinghouse 11-300 - Breaker MCC Bucket - 300 A, 480 V, 42" Height, 3 P | AmpState

The Eaton-Westinghouse 11-300 Breaker MCC Bucket is engineered to elevate reliability in industrial power distribution. Built for seamless integration with the 11-300 motor control centers, this 300 A, 480 V three-phase bucket delivers dependable protection and control for demanding commercial and industrial applications.

Key specifications

• Brand: Eaton
• Model: 11-300
• Type: Breaker MCC Bucket
• Amp rating: 300 A
• Voltage: 480 V (Three-phase, 60 Hz)
• Height: 42" vertical frame
• Poles: 3-pole configuration
• Applications: Industrial motor control, retrofit, OEM replacement

Why this bucket matters for your system

For retrofit projects or OEM replacements, time and compatibility drive success. The 11-300 Breaker MCC Bucket is specifically designed to drop into existing Eaton-Westinghouse MCC frames with a 42" vertical profile, preserving alignment with bus bars and wiring routes. Its 300 A rating at 480 V covers a broad range of standard motor loads, from conveyors and pumps to fans and processing equipment, ensuring reliable starting and protection across your line.

Who should consider this part

Engineers, maintenance teams, and system integrators tasked with extending the life of aging MCCs or configuring modular power distribution will benefit from the exact-fit design and OEM provenance of this bucket. It’s ideal for facilities that require quick retrofit solutions or OEM replacements without redesigning the entire switchgear.

Practical use cases

• Retrofit aging Eaton-Westinghouse 11-300 MCCs to restore current capacity and protection for multiple motors.
• OEM replacement within new equipment lines that adhere to the 11-300 frame standard.
• Modular expansion of motor control capacity in manufacturing floors, HVAC plants, and water treatment facilities.

Maintenance tips and best practices

Ensure secure installation by verifying mounting hardware and alignment with the MCC frame. During service, follow proper lockout-tagout procedures and inspect electrical connections for tightness and cleanliness. Keep the operating environment within the bucket’s design limits to maintain performance and longevity.

Why choose AmpState for this part

AmpState offers this exact Eaton-Westinghouse 11-300 Breaker MCC Bucket, providing a ready-to-install, authentic component designed for 11-300 frames. Selecting the correct, OEM-compatible bucket minimizes installation risk and helps you achieve dependable uptime in your power distribution system.